<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>

<body>
    <div id="app">
        <div>
            <!-- .lazy修饰符： -->
            <!-- 把v-model的本质中@input事件改变为@change事件 -->
            <!-- 当input失去焦点的时候才会触发更新数据 -->
            <input type="text" v-model.lazy="msg" />
            <br />
            {{msg}}
            <hr />
            <div>
                <input type="text" v-model.number="count" />
                <br />
                {{count}}

            </div>
        </div>
    </div>
    <script>
        Vue.config.productionTip = false;

        const vm = new Vue({
            el: "#app",
            data() {
                return {
                    msg: "",
                    count: 0,
                }
            }
        })
    </script>
</body>

</html>